GB1428405A
(en)
*
|
1972-05-26 |
1976-03-17 |
Rank Organisation Ltd |
Electro-acoustic transducers
|
CA964760A
(en)
*
|
1973-03-13 |
1975-03-18 |
Atkins, Lucien W. |
Electro acoustic transducers
|
US3919499A
(en)
*
|
1974-01-11 |
1975-11-11 |
Magnepan Inc |
Planar speaker
|
JPS5610070Y2
(de)
*
|
1974-06-07 |
1981-03-05 |
|
|
DE2461278B2
(de)
*
|
1974-12-23 |
1976-12-16 |
Foster Electric Co., Ltd., Tokio |
Elektroakustischer wandler
|
US4013846A
(en)
*
|
1975-08-28 |
1977-03-22 |
Minnesota Mining And Manufacturing Company |
Piston loudspeaker
|
JPS575996Y2
(de)
*
|
1975-10-03 |
1982-02-04 |
|
|
GB1545517A
(en)
*
|
1975-12-11 |
1979-05-10 |
Rank Organisation Ltd |
Transducer
|
FR2422309A1
(fr)
*
|
1978-04-04 |
1979-11-02 |
Daniere Joannes |
Systeme pour la reproduction de signaux acoustiques de frequences tres basses jusqu'aux plus elevees
|
US4210786A
(en)
*
|
1979-01-24 |
1980-07-01 |
Magnepan, Incorporated |
Magnetic field structure for planar speaker
|
AT361555B
(de)
*
|
1979-02-12 |
1981-03-25 |
Akg Akustische Kino Geraete |
Kopfhoerer
|
IL59942A
(en)
*
|
1980-04-28 |
1986-08-31 |
D P Lab Ltd |
Method and device for fluid transfer
|
FR2488765A1
(fr)
*
|
1980-08-13 |
1982-02-19 |
Telephonie Ind Commerciale |
Transducteur electrodynamique
|
US4385210A
(en)
*
|
1980-09-19 |
1983-05-24 |
Electro-Magnetic Corporation |
Electro-acoustic planar transducer
|
US4468530A
(en)
*
|
1982-01-25 |
1984-08-28 |
Torgeson W Lee |
Loudspeaker system
|
US4471172A
(en)
*
|
1982-03-01 |
1984-09-11 |
Magnepan, Inc. |
Planar diaphragm transducer with improved magnetic circuit
|
US4480155A
(en)
*
|
1982-03-01 |
1984-10-30 |
Magnepan, Inc. |
Diaphragm type magnetic transducer
|
US4471173A
(en)
*
|
1982-03-01 |
1984-09-11 |
Magnepan, Inc. |
Piston-diaphragm speaker
|
EP0262406A3
(de)
*
|
1982-06-17 |
1988-08-31 |
LARSON, David A. |
Elektro-akustischer Wandler mit Diaphragma und Folie dafür
|
GB2123651B
(en)
*
|
1982-06-29 |
1986-08-06 |
Stanley Kelly |
Transducers
|
US4550228A
(en)
*
|
1983-02-22 |
1985-10-29 |
Apogee Acoustics, Inc. |
Ribbon speaker system
|
EP0256593A3
(de)
*
|
1983-09-15 |
1988-06-08 |
Koninklijke Philips Electronics N.V. |
Lautsprechersystem und Lautsprecher zur Umwandlung eines n-bit-digitalisierten, elektrischen Signals in ein akustisches Signal
|
ATE77879T1
(de)
*
|
1985-04-17 |
1992-07-15 |
Geoquip Security Systems Ltd |
Vibrationsempfindlicher transduktor.
|
US4803733A
(en)
*
|
1986-12-16 |
1989-02-07 |
Carver R W |
Loudspeaker diaphragm mounting system and method
|
US4837838A
(en)
*
|
1987-03-30 |
1989-06-06 |
Eminent Technology, Inc. |
Electromagnetic transducer of improved efficiency
|
JPH01295598A
(ja)
*
|
1988-02-26 |
1989-11-29 |
Yasuhiro Shinjiyou |
スピーカー
|
US4849646A
(en)
*
|
1988-03-28 |
1989-07-18 |
Motorola, Inc. |
Air driven whistle generator
|
US4939784A
(en)
*
|
1988-09-19 |
1990-07-03 |
Bruney Paul F |
Loudspeaker structure
|
US5430805A
(en)
*
|
1990-12-27 |
1995-07-04 |
Chain Reactions, Inc. |
Planar electromagnetic transducer
|
FR2687035A1
(fr)
*
|
1992-02-05 |
1993-08-06 |
Navarron Jean Pierre |
Dispositif de reproduction du son par deplacement d'une lame d'air.
|
GB2265519A
(en)
*
|
1992-03-19 |
1993-09-29 |
Jonathan Neil Smith |
Flat monopole loudspeaker
|
GB2278515A
(en)
*
|
1993-05-26 |
1994-11-30 |
Jonathan Neil Smith |
Curved loudspeaker.
|
GB9404585D0
(en)
*
|
1994-03-08 |
1994-04-20 |
Smith Jonathan N |
Loudspeaker
|
GB2301507B
(en)
*
|
1994-03-08 |
1997-11-19 |
Jonathan Neil Smith |
Electromagnetic loudspeaker
|
US6188772B1
(en)
|
1998-01-07 |
2001-02-13 |
American Technology Corporation |
Electrostatic speaker with foam stator
|
US20020076069A1
(en)
*
|
1998-01-07 |
2002-06-20 |
American Technology Corporation |
Sonic emitter with foam stator
|
US6304662B1
(en)
|
1998-01-07 |
2001-10-16 |
American Technology Corporation |
Sonic emitter with foam stator
|
US6154557A
(en)
*
|
1998-05-21 |
2000-11-28 |
Sonigistix Corporation |
Acoustic transducer with selective driving force distribution
|
US6175636B1
(en)
|
1998-06-26 |
2001-01-16 |
American Technology Corporation |
Electrostatic speaker with moveable diaphragm edges
|
US6850623B1
(en)
*
|
1999-10-29 |
2005-02-01 |
American Technology Corporation |
Parametric loudspeaker with improved phase characteristics
|
US20050100181A1
(en)
*
|
1998-09-24 |
2005-05-12 |
Particle Measuring Systems, Inc. |
Parametric transducer having an emitter film
|
GB2347818A
(en)
*
|
1999-03-10 |
2000-09-13 |
Steff Lin |
Flat type loud speaker
|
US20050195985A1
(en)
*
|
1999-10-29 |
2005-09-08 |
American Technology Corporation |
Focused parametric array
|
CA2401886A1
(en)
*
|
2000-03-03 |
2001-09-13 |
American Technology Corporation |
Single end planar magnetic speaker
|
US7099488B2
(en)
*
|
2000-05-03 |
2006-08-29 |
Wisdom Audio Corp |
Planar speaker wiring layout
|
US7142688B2
(en)
*
|
2001-01-22 |
2006-11-28 |
American Technology Corporation |
Single-ended planar-magnetic speaker
|
US6934402B2
(en)
*
|
2001-01-26 |
2005-08-23 |
American Technology Corporation |
Planar-magnetic speakers with secondary magnetic structure
|
US7149321B2
(en)
|
2002-05-02 |
2006-12-12 |
Harman International Industries, Incorporated |
Electro-dynamic loudspeaker mounting system
|
US7627134B2
(en)
|
2002-05-02 |
2009-12-01 |
Harman International Industries, Incorporated |
Magnet retention system in planar loudspeakers
|
US7155026B2
(en)
|
2002-05-02 |
2006-12-26 |
Harman International Industries, Incorporated |
Mounting bracket system
|
CN101977341A
(zh)
*
|
2002-05-02 |
2011-02-16 |
哈曼国际工业有限公司 |
电动扬声器及其装配方法、形成导电体或电接触的方法
|
US7278200B2
(en)
*
|
2002-05-02 |
2007-10-09 |
Harman International Industries, Incorporated |
Method of tensioning a diaphragm for an electro-dynamic loudspeaker
|
US7035425B2
(en)
|
2002-05-02 |
2006-04-25 |
Harman International Industries, Incorporated |
Frequency response enhancements for electro-dynamic loudspeakers
|
US20040042632A1
(en)
*
|
2002-05-02 |
2004-03-04 |
Hutt Steven W. |
Directivity control of electro-dynamic loudspeakers
|
US20040022409A1
(en)
*
|
2002-05-02 |
2004-02-05 |
Hutt Steven W. |
Film attaching system
|
US7236608B2
(en)
*
|
2002-05-02 |
2007-06-26 |
Harman International Industries, Incorporated |
Conductors for electro-dynamic loudspeakers
|
US7203332B2
(en)
*
|
2002-05-02 |
2007-04-10 |
Harman International Industries, Incorporated |
Magnet arrangement for loudspeaker
|
US7146017B2
(en)
*
|
2002-05-02 |
2006-12-05 |
Harman International Industries, Incorporated |
Electrical connectors for electro-dynamic loudspeakers
|
US7152299B2
(en)
*
|
2002-05-02 |
2006-12-26 |
Harman International Industries, Incorporated |
Method of assembling a loudspeaker
|
WO2004017676A1
(en)
*
|
2002-08-14 |
2004-02-26 |
Eminent Technology Incorporated |
Compliant diaphragm for planar magnetic acoustic transducers
|
US7316290B2
(en)
*
|
2003-01-30 |
2008-01-08 |
Harman International Industries, Incorporated |
Acoustic lens system
|
JP2007517420A
(ja)
*
|
2003-06-09 |
2007-06-28 |
アメリカン・テクノロジー・コーポレーション |
顧客の待ち列に沿って視聴覚コンテンツを配信するシステムおよび方法
|
WO2005043771A1
(en)
*
|
2003-10-23 |
2005-05-12 |
American Technology Corporation |
Method of adusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same
|
EP1774310A4
(de)
*
|
2004-07-23 |
2012-04-25 |
Electric Power Res Inst |
Flexibler sensor für einen elektromagnetischen akustischen wandler
|
ATE392117T1
(de)
*
|
2005-01-26 |
2008-04-15 |
Harman Becker Automotive Sys |
Elektroakusticher wandler
|
EP1881732A1
(de)
*
|
2006-06-21 |
2008-01-23 |
Harman/Becker Automotive Systems GmbH |
Magnetische Membranaufhängung
|
US8275137B1
(en)
|
2007-03-22 |
2012-09-25 |
Parametric Sound Corporation |
Audio distortion correction for a parametric reproduction system
|
WO2011159724A2
(en)
|
2010-06-14 |
2011-12-22 |
Norris Elwood G |
Improved parametric signal processing and emitter systems and related methods
|
US8942408B1
(en)
|
2011-07-22 |
2015-01-27 |
James Joseph Croft, III |
Magnetically one-side driven planar transducer with improved electro-magnetic circuit
|
TWI451769B
(zh)
*
|
2011-12-27 |
2014-09-01 |
Univ Chung Hua |
電聲轉換器及其製造方法
|
WO2013106596A1
(en)
|
2012-01-10 |
2013-07-18 |
Parametric Sound Corporation |
Amplification systems, carrier tracking systems and related methods for use in parametric sound systems
|
US8958580B2
(en)
|
2012-04-18 |
2015-02-17 |
Turtle Beach Corporation |
Parametric transducers and related methods
|
US8934650B1
(en)
|
2012-07-03 |
2015-01-13 |
Turtle Beach Corporation |
Low profile parametric transducers and related methods
|
US9197965B2
(en)
|
2013-03-15 |
2015-11-24 |
James J. Croft, III |
Planar-magnetic transducer with improved electro-magnetic circuit
|
US8903104B2
(en)
|
2013-04-16 |
2014-12-02 |
Turtle Beach Corporation |
Video gaming system with ultrasonic speakers
|
US9332344B2
(en)
|
2013-06-13 |
2016-05-03 |
Turtle Beach Corporation |
Self-bias emitter circuit
|
US8988911B2
(en)
|
2013-06-13 |
2015-03-24 |
Turtle Beach Corporation |
Self-bias emitter circuit
|
JP6255994B2
(ja)
|
2013-06-27 |
2018-01-10 |
株式会社リコー |
エネルギー変換装置
|
WO2015186109A1
(en)
*
|
2014-06-05 |
2015-12-10 |
Fonica International S.R.O. |
Loudspeaker for an acoustic diffuser for medium-low frequency signals, acoustic diffuser comprising said loudspeaker and production method
|
US9130445B1
(en)
*
|
2014-08-04 |
2015-09-08 |
David Micah Katz |
Electromechanical transducer with non-circular voice coil
|
JP1549098S
(de)
*
|
2015-11-26 |
2016-05-16 |
|
|
DE102017122660A1
(de)
|
2016-10-04 |
2018-04-05 |
Sennheiser Electronic Gmbh & Co. Kg |
Planardynamischer Wandler
|
DE102017102219A1
(de)
|
2017-02-06 |
2018-08-09 |
Sennheiser Electronic Gmbh & Co. Kg |
Planardynamischer Wandler
|
JP6874782B2
(ja)
*
|
2019-03-11 |
2021-05-19 |
Tdk株式会社 |
磁気センサ
|
US11956589B1
(en)
|
2021-07-13 |
2024-04-09 |
Wisdom Audio Corp. |
PMD speaker mounting assembly and thermal control system for multiple drivers
|
CN113507670B
(zh)
*
|
2021-08-13 |
2024-08-27 |
北京爱德发科技有限公司 |
振膜组件及扬声器
|
JP2024515887A
(ja)
*
|
2021-08-13 |
2024-04-10 |
ベイジン エディファイア テクノロジー カンパニー リミテッド |
ダイヤフラムアセンブリ及びスピーカ
|
CN114025299B
(zh)
*
|
2021-11-10 |
2022-08-02 |
常州星启电子科技有限公司 |
包含导电涂层的振膜及其在制备声学器件中的应用
|
WO2023217955A1
(de)
|
2022-05-11 |
2023-11-16 |
Roland Jacques |
Planardynamischer schallwandler
|